Weather sill



FIGS. 1 and 2 are perspective views illustrating our design for a weather sill;

FIGS. 3 and 4 are front views thereof; the rear being a mirror image thereof;

FIGS. 5 and 6 are top plan views thereof;

FIGS. 7 and 8 are bottom views thereof;

FIGS. 9 and 10 are left side views thereof; and,

FIGS. 11 and 12 are right side views thereof. 

CLAIM The ornamental design for a weather sill, as shown and described. 